High AccuracyThis indicator measures in 1/10mm (0.1mm) increments. Easy to use The dial has a diameter of 44 cm. Clear and precise reading makes it easy to use. No special experience or skills are required, the player is designed for everyone. The color code is easy to read. Portable with a storage bagWith a lightweight and compact design and a kangaroo bag, it is convenient to take it out. Save Time and Money No more wasting time and money on expensive and complicated tread measurement devices. With our depth gauge, it only takes a few seconds to check the condition of the tires. Superb MaterialMade of stainless steel, this tread depth tool has a long service life. And the round dial with the pointer design makes it easy to read.